#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHT.h"

#define DHTPIN 15      // Pin connected to the DHT sensor
#define DHTTYPE DHT22  // DHT22 (AM2302) sensor
DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27, 16, 2); // Adjust the LCD address if necessary

void setup() {
  lcd.init();
  lcd.backlight();

  dht.begin(); // Initialize the DHT22 sensor

  lcd.setCursor(0, 0);
  lcd.print("Temp:    C");
  lcd.setCursor(0, 1);
  lcd.print("Humid:    %");

  Serial.begin(115200); // Optional for debugging
}

void loop() {
  float temp = dht.readTemperature();    // Get temperature in Celsius
  float humidity = dht.readHumidity();    // Get humidity

  // Display Temperature on LCD
  lcd.setCursor(6, 0);
  if (isnan(temp)) {
    lcd.print("Err ");
  } else {
    lcd.print(temp, 1);  // Display temperature with 1 decimal place
  }

  // Display Humidity on LCD
  lcd.setCursor(7, 1);
  if (isnan(humidity)) {
    lcd.print("Err ");
  } else {
    lcd.print(humidity, 1);  // Display humidity with 1 decimal place
  }

  delay(2000); // Wait 2 seconds before the next reading
}